Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Kelly C Mack
Nurse Practitioner in Denver, CO · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1982742888
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Registry record
Entity type Individual (Type 1)
Name Kelly C Mack
Sex Female
Practice address 1800 Williams St, Suite 200, Denver, CO, 80218
Phone (303) 388-8246
Fax (303) 830-8633
Enumeration date Feb 2, 2007
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 71234 (CO) Primary
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
What is the NPI number for Kelly Mack?
The National Provider Identifier (NPI) for Kelly Mack is 1982742888, a Type 1 (individual) record in the CMS NPPES registry.
Where does Kelly Mack practice?
The practice location on file with NPPES is in Denver, CO. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Jeffrey Matous Hematology & Oncology Physician · Denver, CO NPI 1992789036 Allen Cohn Hematology & Oncology Physician · Denver, CO NPI 1316921976 Michael Maris Hematology & Oncology Physician · Denver, CO NPI 1053395624 Kathryn Howell Radiation Oncology Physician · Denver, CO NPI 1811971542 Julie Elliott Physician Assistant · Denver, CO NPI 1689686131 Gerald Falchook Medical Oncology Physician · Denver, CO NPI 1366541294 Trudy Rubinson Nurse Practitioner · Denver, CO NPI 1275671166 Monica Schlatter Nurse Practitioner · Denver, CO NPI 1588702468
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.